170515-N-ON977-0071 ORMOC CITY, Philippines (May 15, 2017) Philippine and U.S. Navy Sailors with underwater construction teams prepare to dive during exercise Balikatan 2017 at Ipil Port in Ormoc City, Philippines. The dive training prepares Philippine and U.S. service members to clear debris in ports and open up supply lines for victims of natural disasters and crises. Balikatan is an annual U.S. and Philippine bilateral military exercise focused on a variety of missions including humanitarian and disaster relief, counterterrorism, and other combined military operations. (U.S. Navy photo by Mass Communication Specialist 3rd Class Alfred A. Coffield/Released)